/* ============================================================
   GLOBAL BLOG LAYOUT & AUTOMATIC TYPOGRAPHY
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:        #1f1f1f;
  --bg-soft:   #2a2a2a;
  --ink:       #ececec;
  --ink-soft:  #c7c7c7;
  --ink-faint: #8f8f8f;
  --rule:      #3a3a3a;
  --accent:    #ececec;
  --accent-dim:#9aa7c7;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Roboto', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

body.light-mode {
  --bg:        #fafafa;
  --bg-soft:   #f4f4f5;
  --ink:       #18181b;
  --ink-soft:  #52525b;
  --ink-faint: #71717a;
  --rule:      #e4e4e7;
  --accent:    #1a365d;
  --accent-dim:#2b6cb0;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 80% -5%, rgba(255,255,255,0.04), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(255,255,255,0.025), transparent 55%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.15rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .3s ease, color .3s ease;
}

body.light-mode {
  background-image:
    radial-gradient(900px 500px at 80% -5%, rgba(43,108,176,0.06), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(43,108,176,0.04), transparent 55%);
}

a { color: var(--accent-dim); text-underline-offset: 3px; }
a:hover { color: var(--accent); }

/* ── Skip link (hidden until keyboard focus) ── */
.blog-skip {
  position: absolute; left: -999px; top: 0; z-index: 300;
  background: var(--accent); color: var(--bg);
  padding: .6rem 1rem; font-family: var(--font-mono);
  font-size: .8rem; font-weight: 700; text-decoration: none; border-radius: 0 0 6px 0;
}
.blog-skip:focus { left: 0; }

/* ── Automatic Header & Nav Styling ── */
.blog-nav {
  max-width: 680px; margin: 0 auto;
  padding: 1.5rem 1.5rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--rule);
}
.blog-nav-links { display: flex; gap: 1.4rem; align-items: baseline; }
.blog-nav-links a {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none; transition: color .2s;
}
.blog-nav-links a:hover { color: var(--accent); }

.theme-toggle {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  background: none; color: var(--ink-soft);
  border: 1px solid var(--rule); border-radius: 999px;
  padding: .45rem .9rem; cursor: pointer;
  transition: border-color .2s, color .2s, background-color .2s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--bg-soft); }

/* ── Automatic Post & Text Block Spacing ── */
main { display: block; }
.post { max-width: 680px; margin: 0 auto; padding: 3.5rem 1.5rem 2rem; }

.post-eyebrow {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-dim); margin-bottom: 1.5rem; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap;
}
.post-eyebrow .dot { color: var(--rule); }
.post-title { font-family: var(--font-display); font-weight: 900; font-size: clamp(2.5rem, 6.5vw, 4rem); line-height: 1.05; letter-spacing: -.5px; margin-bottom: 1.1rem; }
.post-standfirst { font-family: var(--font-body); font-style: italic; font-size: 1.35rem; line-height: 1.5; color: var(--ink-soft); margin-bottom: 1.75rem; }
.post-byline { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .04em; color: var(--ink-faint); padding-bottom: 2.25rem; margin-bottom: 2.25rem; border-bottom: 1px solid var(--rule); }
.post-byline .author { color: var(--ink); }

/* Parsed Article Spacing Controls */
.post-body p { margin-bottom: 1.75rem; display: block; }
.post-body p:first-of-type::first-letter {
  font-family: var(--font-display); font-weight: 900; float: left; font-size: 4.6rem; line-height: .8; padding: .25rem .6rem 0 0; color: var(--accent-dim);
}
.post-body h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.9rem; line-height: 1.2; margin: 2.75rem 0 1.25rem; color: var(--ink); }
.post-body h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.45rem; margin: 2rem 0 .85rem; color: var(--ink); }
.post-body ul, .post-body ol { margin: 0 0 1.75rem 1.3rem; padding-left: 0.5rem; }
.post-body li { margin-bottom: .6rem; }
.post-body li::marker { color: var(--accent-dim); }
.post-body blockquote { margin: 2rem 0; padding: .4rem 0 .4rem 1.5rem; border-left: 3px solid var(--accent-dim); font-family: var(--font-display); font-style: italic; font-size: 1.6rem; line-height: 1.4; color: var(--ink); }
.post-body figure, .post > figure { margin: 0 0 2.5rem; }
.post-body img, .post > figure img { width: 100%; height: auto; border-radius: 6px; display: block; }
.post-body figcaption, .post > figure figcaption { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .02em; color: var(--ink-faint); margin-top: .6rem; text-align: center; }
.post-body hr { border: none; height: 1px; background: var(--rule); margin: 2.5rem 0; }
.post-body .asterism { text-align: center; color: var(--accent-dim); letter-spacing: .5em; margin: 2.5rem 0; }

/* ── Automatic Footer Styling ── */
.blog-footer { max-width: 680px; margin: 3rem auto 0; padding: 2.5rem 1.5rem 4rem; border-top: 1px solid var(--rule); text-align: center; }
.closing-thought { margin: 0 auto 2rem; font-family: var(--font-mono); font-size: .85rem; color: var(--ink-soft); line-height: 1.6; }
.blog-footer-links { display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem; }
.blog-footer-links a { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; transition: color .2s; }
.blog-footer-links a:hover { color: var(--accent); }
.blog-footer-copy { font-family: var(--font-mono); font-size: .7rem; color: var(--ink-faint); }

/* ── Back to top ── */
#toTop { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 46px; height: 46px; border-radius: 50%; background: var(--bg-soft); color: var(--accent-dim); border: 1px solid var(--rule); cursor: pointer; font-size: 1.2rem; display: none; align-items: center; justify-content: center; box-shadow: 0 8px 24px -10px rgba(0,0,0,.7); transition: background .2s, transform .2s, color .2s; z-index: 120; }
#toTop:hover { background: var(--accent); color: var(--bg); transform: translateY(-2px); }
#toTop.show { display: flex; }

@media (max-width: 600px) {
  body { font-size: 1.1rem; }
  .post { padding-top: 2.5rem; }
  .post-body p:first-of-type::first-letter { font-size: 3.6rem; }
}